Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trong » hanh trang, anh trong, hinh trong
trong tran » trong trang, trong tranh, trong tan
ho chieu » theo chieu, hoc thieu, mot chieu
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh trong tran quang ((cong tap) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trong tran quang ((cong tap) OR (cong tac)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trong tran quang ((cong tap) or (cong tac)) toan tap*.